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Government Reports Announcements & Index

Government Reports Announcements & Index
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1984-11
  • Total pages :229
  • ISBN : MINN:30000005943554
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Summary :

Advanced Aircraft Flight Performance

Advanced Aircraft Flight Performance
  • Author : Antonio Filippone
  • Publisher :Unknown
  • Release Date :2012-12-17
  • Total pages :229
  • ISBN : 9781139789660
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Summary : This book discusses aircraft flight performance, focusing on commercial aircraft but also considering examples of high-performance military aircraft. The framework is a multidisciplinary engineering analysis, fully supported by flight simulation, with software validation at several levels. The book covers topics such as geometrical configurations, configuration aerodynamics and determination of aerodynamic derivatives, weight engineering, propulsion systems (gas turbine engines and propellers), aircraft trim, flight envelopes, mission analysis, trajectory optimisation, aircraft noise, noise trajectories and analysis of environmental performance. A unique feature of this book is the discussion and analysis of the environmental performance of the aircraft, focusing on topics such as aircraft noise and carbon dioxide emissions.

Rotorcraft System Identification

Rotorcraft System Identification
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1991
  • Total pages :273
  • ISBN : MINN:31951D005685921
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Summary :

Low Reynolds Number Aerodynamics

Low Reynolds Number Aerodynamics
  • Author : Thomas J. Mueller
  • Publisher :Unknown
  • Release Date :2013-03-08
  • Total pages :451
  • ISBN : 9783642840104
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Summary : Current interest in a variety of low Reynolds number applications has focused attention on the design and evaluation of efficient airfoil sections at chord Reynolds numbers from about 100,000 to about 1,000,000. These applications include remotely piloted vehicles (RPVs) at high altitudes, sailplanes, ultra-light man-carrying/man powered aircraft, mini-RPVs at low altitudes and wind turbines/propellers. The purpose of this conference was to bring together those researchers who have been active in areas closely related to this subject. All of the papers presented are research type papers. Main topics are: Airfoil Design and Analysis, Computational Studies, Stability and Transition, Laminar Separation Bubble, Steady and Unsteady Wind Tunnel Experiments and Flight Experiments.

Engineering a Quieter America

Engineering a Quieter America
  • Author : Adnan Akay,Robert Hellweg,William Lang,George Maling,Eric Wood
  • Publisher :Unknown
  • Release Date :2016-07-01
  • Total pages :160
  • ISBN : 0989943135
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Summary : This workshop report address the contributions of noise control engineers to improving both quality of life and the U.S. economy by providing domestic manufacturers with the expertise to develop, produce, and sell the quieter products now demanded by global markets. Expected future noise control engineering technologies are also addressed.

The Power for Flight

The Power for Flight
  • Author : Jeremy R. Kinney
  • Publisher :Unknown
  • Release Date :2018-02-15
  • Total pages :324
  • ISBN : 1626830371
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Summary : The NACA and aircraft propulsion, 1915-1958 -- NASA gets to work, 1958-1975 -- The shift toward commercial aviation, 1966-1975 -- The quest for propulsive efficiency, 1976-1989 -- Propulsion control enters the computer era, 1976-1998 -- Transiting to a new century, 1990-2008 -- Toward the future

Rotorcraft Aeromechanics

Rotorcraft Aeromechanics
  • Author : Wayne Johnson
  • Publisher :Unknown
  • Release Date :2013-04-29
  • Total pages :229
  • ISBN : 9781107355286
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Summary : A rotorcraft is a class of aircraft that uses large-diameter rotating wings to accomplish efficient vertical take-off and landing. The class encompasses helicopters of numerous configurations (single main rotor and tail rotor, tandem rotors, coaxial rotors), tilting proprotor aircraft, compound helicopters, and many other innovative configuration concepts. Aeromechanics covers much of what the rotorcraft engineer needs: performance, loads, vibration, stability, flight dynamics, and noise. These topics include many of the key performance attributes and the often-encountered problems in rotorcraft designs. This comprehensive book presents, in depth, what engineers need to know about modelling rotorcraft aeromechanics. The focus is on analysis, and calculated results are presented to illustrate analysis characteristics and rotor behaviour. The first third of the book is an introduction to rotorcraft aerodynamics, blade motion, and performance. The remainder of the book covers advanced topics in rotary wing aerodynamics and dynamics.

Vortex Methods

Vortex Methods
  • Author : Georges-Henri Cottet,G.-H. (Georges-Henri) Cottet,Petros D. Koumoutsakos,Professor Petros D Koumoutsakos
  • Publisher :Unknown
  • Release Date :2000-03-13
  • Total pages :313
  • ISBN : 9780521621861
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Summary : The authors consider vortex methods as a method for the direct numerical simulation of incompressible viscous flows. Vortex methods offer an alternative to finite difference and spectral methods for high resolution numerical solutions.

Technology for a Quieter America

Technology for a Quieter America
  • Author : National Academy of Engineering,Committee on Technology for a Quieter America
  • Publisher :Unknown
  • Release Date :2010-10-30
  • Total pages :210
  • ISBN : 9780309156325
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Summary : Exposure to noise at home, at work, while traveling, and during leisure activities is a fact of life for all Americans. At times noise can be loud enough to damage hearing, and at lower levels it can disrupt normal living, affect sleep patterns, affect our ability to concentrate at work, interfere with outdoor recreational activities, and, in some cases, interfere with communications and even cause accidents. Clearly, exposure to excessive noise can affect our quality of life. As the population of the United States and, indeed, the world increases and developing countries become more industrialized, problems of noise are likely to become more pervasive and lower the quality of life for everyone. Efforts to manage noise exposures, to design quieter buildings, products, equipment, and transportation vehicles, and to provide a regulatory environment that facilitates adequate, cost-effective, sustainable noise controls require our immediate attention. Technology for a Quieter America looks at the most commonly identified sources of noise, how they are characterized, and efforts that have been made to reduce noise emissions and experiences. The book also reviews the standards and regulations that govern noise levels and the federal, state, and local agencies that regulate noise for the benefit, safety, and wellness of society at large. In addition, it presents the cost-benefit trade-offs between efforts to mitigate noise and the improvements they achieve, information sources available to the public on the dimensions of noise problems and their mitigation, and the need to educate professionals who can deal with these issues. Noise emissions are an issue in industry, in communities, in buildings, and during leisure activities. As such, Technology for a Quieter America will appeal to a wide range of stakeholders: the engineering community; the public; government at the federal, state, and local levels; private industry; labor unions; and nonprofit organizations. Implementation of the recommendations in Technology for a Quieter America will result in reduction of the noise levels to which Americans are exposed and will improve the ability of American industry to compete in world markets paying increasing attention to the noise emissions of products.

Principles of Helicopter Aerodynamics with CD Extra

Principles of Helicopter Aerodynamics with CD Extra
  • Author : Gordon J. Leishman
  • Publisher :Unknown
  • Release Date :2006-04-24
  • Total pages :826
  • ISBN : 0521858607
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Summary : Written by an internationally recognized teacher and researcher, this book provides a thorough, modern treatment of the aerodynamic principles of helicopters and other rotating-wing vertical lift aircraft such as tilt rotors and autogiros. The text begins with a unique technical history of helicopter flight, and then covers basic methods of rotor aerodynamic analysis, and related issues associated with the performance of the helicopter and its aerodynamic design. It goes on to cover more advanced topics in helicopter aerodynamics, including airfoil flows, unsteady aerodynamics, dynamic stall, and rotor wakes, and rotor-airframe aerodynamic interactions, with final chapters on autogiros and advanced methods of helicopter aerodynamic analysis. Extensively illustrated throughout, each chapter includes a set of homework problems. Advanced undergraduate and graduate students, practising engineers, and researchers will welcome this thoroughly revised and updated text on rotating-wing aerodynamics.

The Rapid Evaluation of Potential Fields in Particle Systems

The Rapid Evaluation of Potential Fields in Particle Systems
  • Author : Leslie Greengard
  • Publisher :Unknown
  • Release Date :1988
  • Total pages :90
  • ISBN : 026207110X
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Summary : The evaluation of Coulombic or gravitational interactions in large ensembles of particles is an integral part of the numerical simulation of a large number of physical processes. Examples include celestial mechanics, plasma physics, the vortex method in fluid dynamics, molecular dynamics, molecular dynamics, and the solution of the Laplace equation via potential theory. A numerical model follows the trajectories of a number of particles moving in accordance with Newton's second law of motion in a field generated by the whole ensemble. In many situations, in order to be of physical interest, the simulation has to involve thousands of particles (or more), and the fields have to be evaluated for a large number of configurations. Unfortunately, an amount of work of the order O N-sg has traditionally been required to evaluate all pairwise interactions in a system of N particles, unless some approximation or truncation method is used. Large scale simulations have been extremely expensive in some cases, and prohibitive in others. An algorithm is presented for the rapid evaluation of the potential and force fields in large scale systems of particles. To evaluate all pairwise Coulombic interactions of N particles to within round off error, the algorithm requires an amount of work proportional to N, and this estimate does not depend on the statistics of the distribution. Both two and three dimensional versions of the algorithm have been constructed. Applications to several problems in physics, chemistry, biology, and numerical complex analysis are discussed.

Air Transport System

Air Transport System
  • Author : Dieter Schmitt,Volker Gollnick
  • Publisher :Unknown
  • Release Date :2015-10-06
  • Total pages :377
  • ISBN : 9783709118801
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Summary : The book addresses all major aspects to be considered for the design and operation of aircrafts within the entire transportation chain. It provides the basic information about the legal environment, which defines the basic requirements for aircraft design and aircraft operation. The interactions between airport, air traffic management and the airlines are described. The market forecast methods and the aircraft development process are explained to understand the very complex and risky business of an aircraft manufacturer. The principles of flight physics as basis for aircraft design are presented and linked to the operational and legal aspects of air transport including all environmental impacts. The book is written for graduate students as well as for engineers and experts, who are working in aerospace industry, at airports or in the domain of transport and logistics.

High Angle of Attack Aerodynamics

High Angle of Attack Aerodynamics
  • Author : Josef Rom
  • Publisher :Unknown
  • Release Date :2012-12-06
  • Total pages :399
  • ISBN : 9781461228240
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Summary : The aerodynamics of aircraft at high angles of attack is a subject which is being pursued diligently, because the modern agile fighter aircraft and many of the current generation of missiles must perform well at very high incidence, near and beyond stall. However, a comprehensive presentation of the methods and results applicable to the studies of the complex aerodynamics at high angle of attack has not been covered in monographs or textbooks. This book is not the usual textbook in that it goes beyond just presenting the basic theoretical and experimental know-how, since it contains reference material to practical calculation methods and technical and experimental results which can be useful to the practicing aerospace engineers and scientists. It can certainly be used as a text and reference book for graduate courses on subjects related to high angles of attack aerodynamics and for topics related to three-dimensional separation in viscous flow courses. In addition, the book is addressed to the aerodynamicist interested in a comprehensive reference to methods of analysis and computations of high angle of attack flow phenomena and is written for the aerospace scientist and engineer who is familiar with the basic concepts of viscous and inviscid flows and with computational methods used in fluid dynamics.

Aviation Law and Drones

Aviation Law and Drones
  • Author : David Hodgkinson,Rebecca Johnston
  • Publisher :Unknown
  • Release Date :2018-05-16
  • Total pages :160
  • ISBN : 9781351332316
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Summary : The aviation industry is being transformed by the use of unmanned aerial vehicles, or drones – commercially, militarily, scientifically and recreationally. National regulations have generally failed to keep pace with the expansion of the fast-growing drone industry. Aviation Law and Drones: Unmanned Aircraft and the Future of Aviation traces the development of aviation laws and regulations, explains how aviation is regulated at an international and national level, considers the interrelationship between rapidly advancing technology and legislative attempts to keep pace, and reviews existing domestic and international drone laws and issues (including safety, security, privacy and airspace issues). Against this background, the book uniquely proposes a rationale for, and key provisions of, guiding principles for the regulation of drones internationally – provisions of which could also be implemented domestically. Finally, the book examines the changing shape of our increasingly busy skies – technology beyond drones and the regulation of that technology. The world is on the edge of major disruption in aviation – drones are just the beginning. Given the almost universal interest in drones, this book will be of interest to readers worldwide, from the academic sector and beyond.

Flight Vehicle Aerodynamics

Flight Vehicle Aerodynamics
  • Author : Mark Drela
  • Publisher :Unknown
  • Release Date :2014-02-07
  • Total pages :279
  • ISBN : 9780262526449
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Summary : An overview of the physics, concepts, theories, and models underlying the discipline of aerodynamics.

Airfoil Design and Data

Airfoil Design and Data
  • Author : Richard Eppler
  • Publisher :Unknown
  • Release Date :2012-12-06
  • Total pages :562
  • ISBN : 9783662026465
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Summary : This detailed book describes a procedure for the design and analysis of subsonic airfoils. Contains 116 new airfoils for a wide range of Reynolds numbers and application requirements, including the input data for the computer code.

Proceedings of Second International Conference on Electrical Systems, Technology and Information 2015 (ICESTI 2015)

Proceedings of Second International Conference on Electrical Systems, Technology and Information 2015 (ICESTI 2015)
  • Author : Felix Pasila,Yusak Tanoto,Resmana Lim,Murtiyanto Santoso,Nemuel Daniel Pah
  • Publisher :Unknown
  • Release Date :2016-02-10
  • Total pages :692
  • ISBN : 9789812879882
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Summary : This book includes the original, peer-reviewed research papers from the 2nd International Conference on Electrical Systems, Technology and Information (ICESTI 2015), held in September 2015 at Patra Jasa Resort & Villas Bali, Indonesia. Topics covered include: Mechatronics and Robotics, Circuits and Systems, Power and Energy Systems, Control and Industrial Automation, and Information Theory. It explores emerging technologies and their application in a broad range of engineering disciplines, including communication technologies and smart grids. It examines hybrid intelligent and knowledge-based control, embedded systems, and machine learning. It also presents emerging research and recent application in green energy system and storage. It discusses the role of electrical engineering in biomedical, industrial and mechanical systems, as well as multimedia systems and applications, computer vision and image and signal processing. The primary objective of this series is to provide references for dissemination and discussion of the above topics. This volume is unique in that it includes work related to hybrid intelligent control and its applications. Engineers and researchers as well as teachers from academia and professionals in industry and government will gain valuable insights into interdisciplinary solutions in the field of emerging electrical technologies and its applications.

Decadal Survey of Civil Aeronautics

Decadal Survey of Civil Aeronautics
  • Author : National Research Council,Division on Engineering and Physical Sciences,Aeronautics and Space Engineering Board,Steering Committee for the Decadal Survey of Civil Aeronautics
  • Publisher :Unknown
  • Release Date :2006-09-27
  • Total pages :212
  • ISBN : 0309180236
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Summary : The U.S. air transportation system is very important for our economic well-being and national security. The nation is also the global leader in civil and military aeronautics, a position that needs to be maintained to help assure a strong future for the domestic and international air transportation system. Strong action is needed, however, to ensure that leadership role continues. To that end, the Congress and NASA requested the NRC to undertake a decadal survey of civil aeronautics research and technology (R&T) priorities that would help NASA fulfill its responsibility to preserve U.S. leadership in aeronautics technology. This report presents a set of strategic objectives for the next decade of R&T. It provides a set of high-priority R&T challengesâ€"-characterized by five common themesâ€"-for both NASA and non-NASA researchers, and an analysis of key barriers that must be overcome to reach the strategic objectives. The report also notes the importance of synergies between civil aeronautics R&T objectives and those of national security.

ECO-COMPASS

ECO-COMPASS
  • Author : Xiaosu Yi,Konstantinos Tserpes
  • Publisher :Unknown
  • Release Date :2019-04-25
  • Total pages :154
  • ISBN : 9783038976905
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Summary : Today, mainly man-made materials, such as carbon and glass fibers, are used to produce composite parts in aviation. Renewable materials, such as natural fibers or bio-sourced resin systems, have not yet found their way into aviation. The project ECO-COMPASS aims to evaluate the potential applications of ecologically improved composite materials in the aviation sector in an international collaboration of Chinese and European partners. Natural fibers such as flax and ramie will be used for different types of reinforcements and sandwich cores. Furthermore, bio-based epoxy resins to substitute bisphenol-A based epoxy resins in secondary structures are under investigation. Adapted material protection technologies to reduce environmental influence and to improve fire resistance are needed to fulfil the demanding safety requirements in aviation. Modelling and simulation of chosen eco-composites aims for an optimized use of materials while a Life Cycle Assessment aims to prove the ecological advantages compared to synthetic state-of-the-art materials. This Special Issue provides selected papers from the project consortium partners.

Masters Theses in the Pure and Applied Sciences

Masters Theses in the Pure and Applied Sciences
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1986
  • Total pages :229
  • ISBN : PSU:000012146079
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Summary :

Experimental Aerodynamics

Experimental Aerodynamics
  • Author : Stefano Discetti,Andrea Ianiro
  • Publisher :Unknown
  • Release Date :2017-03-16
  • Total pages :454
  • ISBN : 9781498704021
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Summary : Experimental Aerodynamics provides an up to date study of this key area of aeronautical engineering. The field has undergone significant evolution with the development of 3D techniques, data processing methods, and the conjugation of simultaneous measurements of multiple quantities. Written for undergraduate and graduate students in Aerospace Engineering, the text features chapters by leading experts, with a consistent structure, level, and pedagogical approach. Fundamentals of measurements and recent research developments are introduced, supported by numerous examples, illustrations, and problems. The text will also be of interest to those studying mechanical systems, such as wind turbines.